The development of two-dimensional tracking: a longitudinal study of circular pursuit.

The development of two-dimensional tracking: a longitudinal study of circular pursuit. Research Abstract Details 

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The development of two-dimensional tracking: a longitudinal study of circular pursuit. Abstract Text:

Gustaf Gredebäck,Claes von Hofsten,Jessika Karlsson,Kati Aus,

We investigated 6- to 12-month-old infants' ability to track an object moving on circular trajectories, using a longitudinal design. Consistent predictive gaze tracking was not found before 8 months of age. These results indicate that infants' horizontal and vertical components of circular tracking are less mature than expected from previous studies of one-dimensional horizontal tracking. Vertical components are especially immature, particularly during high velocity tracking (approximately 20 degrees /s). The results also suggest that horizontal and vertical tracking are mutually dependent during early development. Saccades were predictive (average lag >-125 ms) from 6 months onwards.

The development of two-dimensional tracking: a longitudinal study of circular pursuit. Publishing Authors By Initials

G Gredebäck,C von Hofsten,J Karlsson,K Aus,

For similar psychological phenomena and processes: mental processes: perception: space perception research abstracts see: psychological phenomena and processes: mental processes: perception: space perception research

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The development of two-dimensional tracking: a longitudinal study of circular pursuit. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Experimental brain research. Experimentelle Hirnfo

VOLUME: 163

Page Numbers: 204-13

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ISSN: 0014-4819

DAY: 2

MONTH: 02

YEAR: 2005

The development of two-dimensional tracking: a longitudinal study of circular pursuit. Information

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LANGUAGE: eng

NlmUniqueID: 43312

The development of two-dimensional tracking: a longitudinal study of circular pursuit. Keywords Mesh Terms:

KEYWORDS: Space Perception

MESH TERMS: physiology

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Grant and Affiliation Information for The development of two-dimensional tracking: a longitudinal study of circular pursuit.

AFFILIATION: Department of Psychology, Uppsala University, Box 1225, 75142, Uppsala, Sweden. gustaf.gredeback@psyk.uu.se

Country: Germany

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MEDLINETA: Exp Brain Res

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